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Finding the Fourth Proportional to 352.19, 486.02 and 196.94

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Solution

The fourth proportional to 352.19, 486.02 and 196.94 is: 271.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.19 : 486.02 = 196.94 : x
  2. Step 2: Convert to fraction form
    352.19/486.02 = 196.94/x
  3. Step 3: Cross multiply
    352.19x = 486.02 × 196.94
  4. Step 4: Simplify right side
    352.19x = 95,716.78
  5. Step 5: Solve for x
    x = 95,716.78/352.19
  6. Step 6: Final answer
    x = 271.78

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